diff --git a/mysql-test/suite/innodb/r/instant_alter_rollback.result b/mysql-test/suite/innodb/r/instant_alter_rollback.result
index 786bfa81336..ce49cea2343 100644
--- a/mysql-test/suite/innodb/r/instant_alter_rollback.result
+++ b/mysql-test/suite/innodb/r/instant_alter_rollback.result
@@ -1,3 +1,4 @@
+FLUSH TABLES;
 #
 # MDEV-11369: Instant ADD COLUMN for InnoDB
 #
diff --git a/mysql-test/suite/innodb/r/recovery_shutdown.result b/mysql-test/suite/innodb/r/recovery_shutdown.result
index 7b6c9863b59..2493a83a05c 100644
--- a/mysql-test/suite/innodb/r/recovery_shutdown.result
+++ b/mysql-test/suite/innodb/r/recovery_shutdown.result
@@ -1,3 +1,4 @@
+FLUSH TABLES;
 #
 # MDEV-13797 InnoDB may hang if shutdown is initiated soon after startup
 # while rolling back recovered incomplete transactions
diff --git a/mysql-test/suite/innodb/t/instant_alter_rollback.test b/mysql-test/suite/innodb/t/instant_alter_rollback.test
index c27f198b4c6..487a60dcbe1 100644
--- a/mysql-test/suite/innodb/t/instant_alter_rollback.test
+++ b/mysql-test/suite/innodb/t/instant_alter_rollback.test
@@ -2,6 +2,9 @@
 # The embedded server tests do not support restarting.
 --source include/not_embedded.inc
 
+# Flush any open myisam tables from previous tests
+FLUSH TABLES;
+
 --echo #
 --echo # MDEV-11369: Instant ADD COLUMN for InnoDB
 --echo #
diff --git a/mysql-test/suite/innodb/t/recovery_shutdown.test b/mysql-test/suite/innodb/t/recovery_shutdown.test
index fbe26368e1b..2bca9195729 100644
--- a/mysql-test/suite/innodb/t/recovery_shutdown.test
+++ b/mysql-test/suite/innodb/t/recovery_shutdown.test
@@ -1,6 +1,9 @@
 --source include/have_innodb.inc
 --source include/not_embedded.inc
 
+# Flush any open myisam tables from previous tests
+FLUSH TABLES;
+
 --echo #
 --echo # MDEV-13797 InnoDB may hang if shutdown is initiated soon after startup
 --echo # while rolling back recovered incomplete transactions